The sudden heat altered oceans’ chemical composition, which affected some top aquatic reptilian predators more than some ...

The highest trophic niches in Mesozoic oceans were filled by diverse marine reptiles, including ichthyosaurians, ...

Late Jurassic and Early Cretaceous oceans are known for enormous and fierce predators like pliosaurids with 2-meter-long jaws, toothy thalattosuchia ...

Dinosaurs ruled the Earth for over 150 million years. Compared to the mere 4–6 million years that scientists believe humans ...

Researchers say the dinosaurs weren’t yet in decline shortly before the extinction event, contradicting previous findings ...

Among them were pliosaurs with giant jaws, toothy crocodile-like reptiles (thalattosuchia), and sleek, fast, fish-shaped ...

Geologists discovered a fossilised single vertebra of the giant sea lizard known as a mosasaur that lived during the late ...

During the late Cretaceous, when Deinosuchus lived, high global sea levels and a warm climate fed incredible growth within marshes and swamps everywhere the sea touched North America. The nature ...

Knife-toothed reptiles called sebecids went extinct on the mainland 10 million years ago. New fossil evidence puts them on an island 4 million years ago.

Why did some animals from ancient eras become fossils, while others simply disappeared without a trace? The answer, at least ...